HWY French ST over Water Merrimack Canal
FairPosted for loadMiddlesex County, Massachusetts · At High School · Structure no. L150932C5MUNNBI
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 58 ft
- 1 main span
- Daily traffic
- 99,300
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
HWY French ST over Water Merrimack Canal is a prestressed concrete box beam or girders - multiple carrying HWY French ST over Water Merrimack Canal in Middlesex County, Massachusetts. It was built in 1960, so it is 65 years old, older than the Massachusetts average of 63.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 99,300 vehicles a day, roughly 2% of them trucks, projected to reach 24,163 by 2031. The structure is 58 ft (17.7 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY French ST over Water Merrimack Canal built?
It was built in 1960, making it 65 years old in 2025.
What condition is HWY French ST over Water Merrimack Canal in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does HWY French ST over Water Merrimack Canal carry?
About 99,300 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is HWY French ST over Water Merrimack Canal?
The structure is 58 ft (17.7 m) long with a longest span of 55 ft (16.8 m) and a deck 54 ft wide.
Who owns HWY French ST over Water Merrimack Canal?
It is owned by the City or Municipal Highway Agency.